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Use of Wearable Inertial Sensor in the Assessment of Timed-Up-and-Go Test: Influence of Device Placement on Temporal Variable Estimation

  • Stefano Negrini
  • Mauro Serpelloni
  • Cinzia Amici
  • Massimiliano Gobbo
  • Clara Silvestro
  • Riccardo Buraschi
  • Alberto Borboni
  • Diego Crovato
  • Nicola Francesco LopomoEmail author
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 192)

Abstract

The “Timed Up and Go” (TUG) test is widely used in various disorders to evaluate subject’s mobility, usually evaluating only time execution. TUG test specificity could be improved by using instrumented assessment based on inertial sensors. Position of the sensor is critical. This study aimed to assess the reliability and validity of an inertial sensor placed in three different positions to correctly segment the different phases in the TUG test. Finding demonstrated good reliability of the proposed methodology compared to the gold standard motion analysis approach based on surface markers and an optoelectronic system. Placing the sensor just beneath the lumbar-sacral joint reported the lower values of deviation with respect to the gold standard. Optimized position can extend the proposed methodology from the clinical context towards ubiquitous solutions in an ecological approach.

Keywords

Inertial sensor Sensor position Timed-Up and Go test Optoelectronic system Phases durations 

Notes

Acknowledgments

All the authors would like to thank Francesco Tirapelle for his huge contribution to the study. SN, MG and NFL acknowledge also the “Laboratorio di Fisiologia Clinica Integrativa” (FCI Lab) of the “Università degli Studi di Brescia” for the support.

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2017

Authors and Affiliations

  • Stefano Negrini
    • 1
    • 2
  • Mauro Serpelloni
    • 3
  • Cinzia Amici
    • 4
  • Massimiliano Gobbo
    • 1
  • Clara Silvestro
    • 5
  • Riccardo Buraschi
    • 2
  • Alberto Borboni
    • 4
  • Diego Crovato
    • 5
  • Nicola Francesco Lopomo
    • 3
    Email author
  1. 1.Dipartimento di Scienze Cliniche e SperimentaliUniversità degli Studi di BresciaBresciaItaly
  2. 2.IRCCS Fondazione Don Carlo Gnocchi ONLUSMilanoItaly
  3. 3.Dipartimento di Ingegneria dell’InformazioneUniversità degli Studi di BresciaBresciaItaly
  4. 4.Dipartimento di Ingegneria Meccanica e IndustrialeUniversità degli Studi di BresciaBresciaItaly
  5. 5.BTS S.p.A.Garbagnate MilaneseItaly

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